Re: [darktable-user] Chromatic aberration on Fuji

[komodo]

Thanks, there was only green line above horizon and this was corrected with 
lens correction :-)

Martin


On Monday 21 of May 2018 22:20:56 Timur Irikovich Davletshin wrote:
> On Mon, 2018-05-21 at 21:14 +0200, komodo wrote:
> > Thanks to all,
> > 
> > works fine in lens correction module :-)
> > 
> > I always tried chromatic aberrations module, i didn't know that this
> > is also 
> > in lens correction.
> > 
> > Martin
> 
> Don't forget about defringe module if case of purple fringing on
> something like tree branches.
> 
> BTW, I would appreciate, if someone will explain me how chromatic
> aberration module works. It just doesn't give me any picture
> improvement on Canon and Nikon files. Documentation says very little
> about it.
> 
> Timur.
> 
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Re: [darktable-user] Chromatic aberration on Fuji

[Timur Irikovich Davletshin]

On Mon, 2018-05-21 at 21:14 +0200, komodo wrote:
> Thanks to all,
> 
> works fine in lens correction module :-)
> 
> I always tried chromatic aberrations module, i didn't know that this
> is also 
> in lens correction.
> 
> Martin
> 

Don't forget about defringe module if case of purple fringing on
something like tree branches.

BTW, I would appreciate, if someone will explain me how chromatic
aberration module works. It just doesn't give me any picture
improvement on Canon and Nikon files. Documentation says very little
about it.

Timur.

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Re: [darktable-user] Chromatic aberration on Fuji

[komodo]

Thanks to all,

works fine in lens correction module :-)

I always tried chromatic aberrations module, i didn't know that this is also 
in lens correction.

Martin


On Monday 21 of May 2018 22:04:31 Timur Irikovich Davletshin wrote:
> On Mon, 2018-05-21 at 14:59 -0400, William Ferguson wrote:
> > You can use the chromatic aberrations module under the corrections
> > tab in darkroom.  If it's not there, look in more modules and enable
> > it.
> > 
> > Bill
> > 
> > On Mon, May 21, 2018 at 2:56 PM, Šarūnas 
> > 
> > wrote:
> > > On 2018-05-21 14:51, komodo wrote:
> > > > Hi,
> > > >
> > > > 
> > > >
> > > > is there any option to apply chromatic aberration correction on
> > > 
> > > Fuji
> > > 
> > > > (X Trans) files ?
> > > 
> > > This depends on whether correction data for a given lens (on that
> > > particular crop-factor) exists in Lensfun database.
> 
> Chromatic aberration module never gave me results I expected. Sometimes
> people confuse TCA with fringing — defringe works fine in that case,
> but requires fine tuning for every image.
> 
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Re: [darktable-user] Chromatic aberration on Fuji

[Timur Irikovich Davletshin]

On Mon, 2018-05-21 at 21:07 +0200, komodo wrote:
> Are you sure ?
> 
> From the manual
> 
> This module currently only works for images recorded with a Bayer
> sensor 
> (which is the sensor used in the majority of cameras). 
> 
> So not for Fuji Xtrans sensor, or is there something new ?
> 
> Martin
> 

Best way to remove TCA is in lens correction module.

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Re: [darktable-user] Chromatic aberration on Fuji

[komodo]

Are you sure ?

>From the manual

This module currently only works for images recorded with a Bayer sensor 
(which is the sensor used in the majority of cameras). 

So not for Fuji Xtrans sensor, or is there something new ?

Martin


On Monday 21 of May 2018 14:56:43 Šarūnas wrote:
> On 2018-05-21 14:51, komodo wrote:
> > Hi,
> > 
> > is there any option to apply chromatic aberration correction on Fuji
> > (X Trans) files ?
> 
> This depends on whether correction data for a given lens (on that
> particular crop-factor) exists in Lensfun database.

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Re: [darktable-user] Chromatic aberration on Fuji

[Timur Irikovich Davletshin]

On Mon, 2018-05-21 at 14:59 -0400, William Ferguson wrote:
> You can use the chromatic aberrations module under the corrections
> tab in darkroom.  If it's not there, look in more modules and enable
> it.
> 
> Bill
> 
> On Mon, May 21, 2018 at 2:56 PM, Šarūnas 
> wrote:
> > On 2018-05-21 14:51, komodo wrote:
> > > Hi,
> > > 
> > > is there any option to apply chromatic aberration correction on
> > Fuji
> > > (X Trans) files ?
> > 
> > This depends on whether correction data for a given lens (on that
> > particular crop-factor) exists in Lensfun database.
> > 
> > 

Chromatic aberration module never gave me results I expected. Sometimes
people confuse TCA with fringing — defringe works fine in that case,
but requires fine tuning for every image.

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Re: [darktable-user] Chromatic aberration on Fuji

[Timur Irikovich Davletshin]

On Mon, 2018-05-21 at 20:51 +0200, komodo wrote:
> Hi,
> 
> is there any option to apply chromatic aberration correction on Fuji
> (X Trans) 
> files ?
> 
> I can see that it's possible in Rawtherapee and i think in Lightroom
> too.
> 
> Thank you
> 
> Martin
> 
> _
> ___
> darktable user mailing list
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> ble.org
> 

I doubt if your question is linked to particular sensor type. If your
lens/camera are not in the database (or TCA is not available) you can
try to make you own calibration profile — http://lensfun.sourceforge.ne
t/calibration-tutorial/lens-tca.html 

>From my personal experience it is not very difficult. I did for one of
my old Soviet lens.

Timur.

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Re: [darktable-user] Chromatic aberration on Fuji

[William Ferguson]

You can use the chromatic aberrations module under the corrections tab in
darkroom.  If it's not there, look in more modules and enable it.

Bill

On Mon, May 21, 2018 at 2:56 PM, Šarūnas  wrote:

> On 2018-05-21 14:51, komodo wrote:
> > Hi,
> >
> > is there any option to apply chromatic aberration correction on Fuji
> > (X Trans) files ?
>
> This depends on whether correction data for a given lens (on that
> particular crop-factor) exists in Lensfun database.
>
> --
> Šarūnas Burdulis
> math.dartmouth.edu/~sarunas
>
>


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Re: [darktable-user] Chromatic aberration on Fuji

[Šarūnas]

On 2018-05-21 14:51, komodo wrote:
> Hi,
> 
> is there any option to apply chromatic aberration correction on Fuji
> (X Trans) files ?

This depends on whether correction data for a given lens (on that
particular crop-factor) exists in Lensfun database.

-- 
Šarūnas Burdulis
math.dartmouth.edu/~sarunas



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